I listened to 3 episodes of FitSmart yesterday and today. I really liked it! It's 2 guys -- a fomerly-overweight guy and his trainer (who is now his friend). Reminded me of the guy version of the SP Radio ladies (at least when they are talking to each other). They just talk the entire time, about 30 minutes. In the episodes I listened to, I thought they had interesting things to say about long-term weight loss and good insights into being fit and healthy for life.
What I didn't like is how they don't introduce themselves, so I had to figure out who's who and what they do. They have similar voices so I haven't fully figured out which is which unless they talk about "clients" (the trainer-dude) or being overweight (the formerly-overweight guy). galacticwatercooler.com/gwc-podcasts/fitsm